This is an accessory add-on kit for the ring:bit V2 robot car. The kit includes a light-bar module, tracking module and Sonar:bit ultrasonic sensor. Kit contents * Tracking module - installed to the front of the ring:bit V2 car to enable it to follow a line * Sonar:bit - a special ultrasonic sensor for the ring:bit V2 to help it avoid obstacles * Light bar - Installed at the front of the ring:bit to add colour and light to your robot Note: ring:bit V2 car not included but available separately here. https://elecena.pl/product/22719160/ring-bit-accessories-kit 2023-03-07 https://elecena.pl/product/22719160/ring-bit-accessories-kit 2023-12-27 https://elecena.pl/product/22719160/ring-bit-accessories-kit 2024-09-19 https://elecena.pl/product/22719160/ring-bit-accessories-kit 2024-11-29 https://elecena.pl/product/22719160/ring-bit-accessories-kit 2024-11-30 https://elecena.pl/product/22719160/ring-bit-accessories-kit 2025-11-28 https://elecena.pl/product/22719160/ring-bit-accessories-kit 2025-11-29